OpenTechnical

OT-2026-000030537

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000030537) never changes.

Identity and time

Publication numberOT-2026-000030537 · never reused
Internal UUID01a0ae73-e504-7f68-ba0e-7fce1fd6111a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030537
StatusPUBLIC

Content hashes

Canonical textc4f6b140876d4e742a682c46f5e0b9dbab95f921656f339d6ca44959d8377449
Markdown3c650281480e8040af09a5b213b938b64e092286d6eeecb1affa825aa6acd7c6
PDF
Publication page094965b034d00155a1fb15b01fc6714913eefea64ed5cc9fdf2e825cfa267d99
Manifest504c28fe4005734408887697a7eb521a93d6f3f61bcb87c85da6a772b027c8c4

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature5KpII/cz0vzR/LQzSEPwa3H02iAH3qQThAl9ybXsFlEUCgYw7qeemV48u/cwOZqmVFbMiMwo76CvoFFcEB+ECA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:38:24.259951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030537
observed 094965b034d00155a1fb15b01fc67149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:24.243350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030537/manifest.json
observed 504c28fe4005734408887697a7eb521a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:24.228524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030537/publication.md
observed 3c650281480e8040af09a5b213b938b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:24.212754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030537/publication.txt
observed c4f6b140876d4e742a682c46f5e0b9db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.